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Liaison statement
Reply to LS on OTNT Standardization Work Plan

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State Posted
Submitted Date 2019-03-26
From Groups ccamp, mpls, pce, teas
From Contact Scott Mansfield
To Group ITU-T-SG-15
To Contacts
Cc John Drake <>
Deborah Brungard <>
Julien Meuric <>
Multiprotocol Label Switching Discussion List <>
Adrian Farrel <>
Scott Mansfield <>
Fatai Zhang <>
Vishnu Beeram <>
Path Computation Element Discussion List <>
Traffic Engineering Architecture and Signaling Discussion List <>
Martin Vigoureux <>
Alvaro Retana <>
Daniele Ceccarelli <>
Dhruv Dhody <>
Loa Andersson <>
Lou Berger <>
Common Control and Measurement Plane Discussion List <>
Nicolai Leymann <>
Response Contact
Technical Contact
Purpose For information
Attachments (None)
Thank you for your continued interest in the work of the IETF related to
OTNT standardization.  Below is a list of the recent RFCs and working group
drafts related to OTNT.

*	Recent Relevant RFC

*	RFC8282

*	Extensions to the Path Computation Element Communication Protocol
(PCEP) for Inter-Layer MPLS and GMPLS Traffic Engineering

*	RFC8283

*	An Architecture for Use of PCE and the PCE Communication Protocol
(PCEP) in a Network with Central Control

*	RFC8363

*	GMPLS OSPF-TE Extensions in Support of Flexi-Grid Dense Wavelength
Division Multiplexing (DWDM) Networks

*	RFC8413

*	Framework for Scheduled Use of Resources

*	RFC 8453

*	Framework for Abstraction and Control of TE Networks (ACTN)

*	RFC 8469

*	Recommendation to Use the Ethernet Control Word

*	Working Group Updates

*	Common Control and Measurement Plane (ccamp)

*	A framework for Management and Control of DWDM optical interface


*	YANG data model for Flexi-Grid media-channels


*	YANG data model for Flexi-Grid Optical Networks


*	Applicability of GMPLS for B100G Optical Transport Network


*	A YANG Data Model for L1 Connectivity Service Model (L1CSM)


*	A YANG Data Model for Optical Transport Network Topology


*	OTN Tunnel YANG Model


*	Information Encoding for WSON with Impairments Validation


*	Information Model for Wavelength Switched Optical Networks (WSONs)
with Impairments Validation


*	A Yang Data Model for WSON Tunnel


*	A YANG Data Model for WSON (Wavelength Switched Optical Networks)


*	Path Computation Element (pce)

*	PCEP Extension for WSON Routing and Wavelength Assignment


*	PCEP extensions for GMPLS


*	PCEP Extension for Flexible Grid Networks


*	Path Computation Element (PCE) Protocol Extensions for Stateful PCE
Usage in GMPLS-controlled Networks


*	Path Computation Element Communication Protocol (PCEP) Extensions
for remote-initiated GMPLS LSP Setup


The list of upcoming IETF meetings can be found on the IETF website at

Thank You,

Daniele Ceccarelli (CCAMP Chair), Fatai Zhang (CCAMP Chair), Dhruv Dhody
(PCE Chair) , Adrian Farrel (PCE Chair), Julien Meuric (PCE Chair), Vishnu
Beeram (TEAS Chair), Lou Berger (TEAS Chair), Loa Andersson (MPLS Chair),
Nicolai Leymann (MPLS Chair), and Scott Mansfield (IETF's ITU-T Liaison)